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[Debug] Always decorate existing exception handlers to deal with fatal errors #25829

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Merged
merged 1 commit into from
Jan 18, 2018
Merged

[Debug] Always decorate existing exception handlers to deal with fatal errors #25829

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9 changes: 6 additions & 3 deletions src/Symfony/Component/Debug/ErrorHandler.php
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Original file line number Diff line number Diff line change
Expand Up @@ -147,11 +147,14 @@ public static function register($handler = null, $replace = true)
$handler = $prev[0];
$replace = false;
}
if ($replace || !$prev) {
$handler->setExceptionHandler(set_exception_handler(array($handler, 'handleException')));
} else {
if (!$replace && $prev) {
restore_error_handler();
}
if (is_array($prev = set_exception_handler(array($handler, 'handleException'))) && $prev[0] === $handler) {
restore_exception_handler();
} else {
$handler->setExceptionHandler($prev);
}

$handler->throwAt($levels & $handler->thrownErrors, true);

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